Continuous wavelet transform (CWT)

Hello!
Please tell me if there is a way to build a CWT (or to be more precise, a CWT analog for a discrete signal) of a signal in Sage.
The task is to obtain a time evolution of the spectrum (more or less) for the recorded signal in the form of time series.
I've found the good examples of what I mean here.

3 answers

A self-answer:
I downloaded an mlpy (Machine Learning PYthon) package and installed it (I use Gentoo, so the system-widely installed python modules are visible in Sage).
After that I applied its functions to my time series in the following way: